Topping D30 [Cirrus Logic CS4398], 2017, made in China

Link: hifi-audio | Driver's for Win7 & etc | soundphilereview | audiosciencereview | Burson V6 Opamp

The Topping D30 uses the Cirrus Logic CS4398 DAC chip, which is still a great chip even though it’s a bit dated.

Input range:
USB: 16 – 24 bit/44.1 – 192 kHz, DSD64, DSD128
Optical: 16 – 24 bit/32 – 192 kHz
Coaxial: 16 – 24 bit/32 – 192 kHz
Frequency response: 10 – 20 kHz ± 0.03 dB
Maximum output:
2.1 Vrms @1 kHz
USB: 0.00062%
THD+N (@1 kHz):
Optical: 0.00063%
Coaxial: 0.00065%
Crosstalk:
USB: -117.7 dB
Optical: -117.6 dB
Coaxial: -117.6 dB